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Search: id:A085016
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| A085016 |
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Prime(n) concatenated with Reverse(Prime(n)) (a palindrome) is divisible by n. |
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+0
2
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| 1, 7, 11, 59, 146, 319, 124243, 461867, 1446247, 4846042, 16146448, 19466227, 57973091, 73661929, 208574393, 681491953, 883910281, 1058487166, 1066657966, 1112633324
(list; graph; listen)
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OFFSET
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0,2
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EXAMPLE
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146 is in the sequence since the 146th prime is 839 and 839938 is divisible by 146
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MATHEMATICA
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i=IntegerDigits; c[x_] := FromDigits[Flatten[{i[x], Reverse[i[x]]}]]; Do[If[Mod[c[Prime[n]], n]==0, Print[n]], {n, 10^6}]
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CROSSREFS
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Cf. A085017.
Sequence in context: A038277 A045462 A077411 this_sequence A067690 A061809 A123763
Adjacent sequences: A085013 A085014 A085015 this_sequence A085017 A085018 A085019
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KEYWORD
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base,nonn
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AUTHOR
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Giovanni Resta (g.resta(AT)iit.cnr.it), Jun 18 2003
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